Tightness or contracture of the pectoralis minor muscle can cause significant scapular dysfunction and is typically seen in patients with scapular dyskinesis and abnormal scapular protraction. When nonoperative treatment in these patients has failed, pectoralis tenotomy aims to resect the pectoralis minor tendon from the medial aspect of the coracoid process in order to decrease the force on the scapula, thereby improving scapular dynamics.
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